No very accurate statistics can be given of African affairs; but their population has been estimated at 50,000,000, and to have been about the same for many centuries; of which population, even including the wildest tribes, far over four-fifths have ever been slaves among themselves. The earliest and the most recent travellers among them agree as to the facts, that they are cannibals; that they are idolaters, or that they have no trace of religion whatever; that marriage with them is but promiscuous intercourse; that there is but little or no affection between husband and wife, parent and children, old or young; that in mental or moral capacity, they are but a grade above the brute creation; that the slaves and women alone do any labour, and they often not enough to keep them from want; that their highest views are to take slaves, or to kill a neighbouring tribe; that they evince no desire for improvement, or to ameliorate their condition. In short, that they are, and ever have been, from the earliest knowledge of them, savages of the most debased character. We have, in a previous study, quoted authority in proof of these facts, to which we refer. Will any one hesitate to acknowledge, that, to them, slavery, regulated by law, among civilized nations is a state of moral, mental, and physical elevation? A proof of this is found in the fact that the descendants of such slaves are found to be, in all things, their superiors. If their descendants were found to deteriorate from the condition of the parents, we should hesitate to say that slavery was to them a blessing. Which would man consider the most like an act of mercy in Jehovah, to continue them in their state of slavery to their African master, brother, and owner, or to order them into that condition of slavery in which we find them in these States? Which state of slavery would a man prefer, to a savage, or to a civilized master?